/*
 * Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
 * National Aeronautics and Space Administration. All rights reserved.
 *
 * The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
attribute vec4 vertexPoint;
attribute vec4 vertexTexCoord;
attribute vec4 normalVector;

uniform mat4 mvpMatrix;
uniform mat4 mvInverseMatrix;
uniform mat4 texCoordMatrix;
uniform bool applyLighting;

varying vec2 texCoord;
varying vec4 normal;

void main() {
    gl_Position = mvpMatrix * vertexPoint;
    texCoord = (texCoordMatrix * vertexTexCoord).st;
    if (applyLighting) {
        normal = mvInverseMatrix * normalVector;
    }
}